MESON Chess Problem Database

Problem Display
PID: 102294 (8/2B1R3/8/2pNN3/3k4/8/1K3bB1/8 w - - 0 1)

Loven, E

Dagens Nyheter, 1918

8/2B1R3/8/2pNN3/3k4/8/1K3bB1/8

#2

6 + 3

6490 yacpdb 2009
5454 Near Snap 2015

SOLUTION

  • SOUND
  • Sets
    • 1...c4
      • 2.Bb6#
  • Tries
    • 1.Se3?
      • threat
        • 2.Sc2#
        • 2.Sf5#
      • 1...Bxe3
        • 2.Rd7#
      • 1...c4
        • 2.Bb6#
      • 1...Kxe3!
    • 1.Ba5?
      • threat
        • 2.Bc3#
      • 1...c4
        • 2.Bb6#
      • 1...Be1!
  • Keys
    • 1.Sb4!
      • threat
        • 2.Sc2#
      • 1...Ke3
        • 2.Sf3#
      • 1...cxb4
        • 2.Bb6#
      • 1...c4
        • 2.Bb6#

Anticipated by 121482(1902)

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
    • P(c);OGATEB::B(E)
  • Tries
    • Try
      • S(C);
      • Threat
        • DUALS(2)
      • Vars
        • B(a);SBLOCK,XS(C)::R(F)
        • P(c);OGATEB::B(E)
      • Refutation
        • K(b);S_FLIGHT,XS(C)
    • Try
      • B(E);
      • Threat
        • B(E)
      • Vars
        • P(c);OGATEB::B(E)
      • Refutation
        • B(a);
  • Actual
    • S(C);
    • Threat
      • S(C)
    • Vars
      • K(b);S_FLIGHT::R(F)+S(D)
      • P(c);OGATEB,XS(C)::B(E)
      • P(c);OGATEB::B(E)
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